\documentclass{article}
\usepackage{graphicx}
\graphicspath{{../}{./}}
\begin{document}
\begin{figure}
  \centering
  \includegraphics[width=.5\textwidth]{latex_demo_01}
  \caption{Classical Beauty}
  \label{fig:Beautiful} (label)
\end{figure}

Figure~\ref{fig:Beautiful} is the famous Linux Tux!(ref)


\end{document}